Marie Curie was a physicist, chemist and pioneer in the study of radiation. She discovered the elements polonium and radium ...

Strange Glow: The Story of Radiation, written by Georgetown professor of radiation medicine Timothy Jorgensen and released this month, is a fascinating account of how radiation has both helped and ...

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It should also be possible to state how much of a sample remains or what the activity or count should become after a given length of time. This could be stated as a fraction, decimal or ratio. For ...

After emitting an alpha or beta particle, the nucleus will often still be ‘excited’ and will need to lose energy. It does this by emitting a high energy electromagnetic wave called a gamma ray. Gamma ...

This evening will become mostly dry with clear spells. Overnight, areas of thick cloud and scattered heavy showers will feed in from the west, these becoming more frequent around dawn. Monday Tomorrow ...

Christie's announced Property from the Bill and Dorothy Fisher Collection, a dedicated group of Impressionist works that will be showcased during the Fall Marquee Week of sales in New York.